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%I #35 Aug 31 2013 16:35:33
%S 1,124,12471013,12471013161922,12471013161922252831,
%T 124710131619222252831343740,124710131619222252831343740434649,
%U 124710131619222252831343740434649525558
%N a(n) = concatenation of first 3n terms of A033627.
%C All entries are == 1 (mod 3). _V. T. Jayabalaji_, Jul 13 2013
%e 124 is the concatenation of 1,2 and 4.
%e 12471013 is the concatenation of 1, 2, 4, 7 10 and 13.
%Y Cf. A033627
%K nonn,less,base
%O 1,2
%A _V. T. Jayabalaji_, Jul 15 2013
%E Edited by _N. J. A. Sloane_, Jul 16 2013